<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>外部引用css文件</title>
    <link href="style.css" rel="stylesheet" type="text/css">
</head>
<body>
<div  id="div1" >
    逗比1
</div>
<div class="div2">
    逗比2
</div>
<div class="div2">
    逗比3
</div>
<div>
    逗比4
</div>
<div>
    逗比5
</div>
<div >
    <p>
        逗比6
    </p>
</div>

</body>
</html>